SSH takes long time in Solaris System

While trying to ssh to solaris 11 machine, it takes sometime to give a prompt(more than usual). The issue is mostly related to DNS lookup over the network. Please check below details and how i fixed the issue.

root@cms-cluster1:~# uname -a
SunOS cms-cluster1 5.11 11.1 sun4v sparc sun4v
root@cms-cluster1:~# ssh -V
Sun_SSH_2.2, SSH protocols 1.5/2.0, OpenSSL 0x100000bf
root@cms-cluster1:~# echo “GSSAPIAuthentication no” >> /etc/ssh/sshd_config
root@cms-cluster1:~# echo “LookupClientHostnames no” >> /etc/ssh/sshd_config
root@cms-cluster1:~# svcadm restart ssh



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